Questions : Fibre to Fabric

 Fibre to fabric

Maximum Marks : 3

1. What are animal fibres?

2. What are wool yielding animals?

3. What is the hairy coat of sheep called?

4. What is selective breeding?

5. Which gives the finest wool?

6. What are the characteristics of the wool of Kashmiri goats?

7. What is shearing?

8. What is dying?

9. What is carding?

10. What is sorter’s disease?

11. What is sericulture?

12. Name the few varieties of silk.

13. Which is the most common silk moth?

Maximum Marks : 5

1. Why do we wear woolen clothes in winter?

2. What quality of wool these give and which states are these found?

3. What do wool yielding sheeps eat?

4. Where in India sheeps are reared?

5. What are the different processes involved in wool production?

6. When is shearing done?

7. What is scouring?

8. What is sorting?

9. Name the four stages in the life-cycle of a silk moth.

10. Describe the lifecycle of a silk moth.

11. Describe processing of silk.

Fill in the blanks :

1. The two animal fibres are                     and                    .

2. The two plant fibres are                     and                    .

3. Five wool yielding animals are                    ,                    ,                    , 

                    and                    .

4. The hairy coat of the sheep is called                    .

5. The six important wool yielding breeds of Indian sheeps are                    , 

                   ,                    ,                    ,                     and                    .

6. The finest wool is                     wool from a breed of sheep belonging to 

                   .

7. Pashmina shawls are made from the under fur of                    .

8. Sheep are                     animals.

9. The wool yielding sheep are given                     food.

10. Sometimes workers doing sorting work may get infected by a bacterium called

                    .

11. The disease caused by anthrax is called                    .

12. The process of shaving off fleece is called                    .

13. The process of washing the sheared skin in the tanks to remove dust, dirt and grease is called                    .

14. The process of straightening the dyed fibres by passing them through metal teeth is called                    .

15. The small soft fluffy fibres of fleece are called                     or                    .

16. Silk is obtained from                    .

17. Rearing of silk moths for obtaining silk is called                    .

18. The four stages in the life-cycle of a silk moth are                    ,                    , 

                    and                    .

19. The caterpillar secretes a sticky fluid called                     while moving its head from side by side to form a cocoon.

20. Some of the varieties of silk are                    ,                     and                    .

21. More than                     are required to produce 1 kg of raw silk.

22. The process of obtaining silk threads by soaking cocoons in hot water is called

                    .